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[AMD Official Use Only - Internal Distribution Only]<br>
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Acked-by: Alex Deucher <alexander.deucher@amd.com><br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Quan, Evan <Evan.Quan@amd.com><br>
<b>Sent:</b> Thursday, September 17, 2020 10:36 PM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org><br>
<b>Cc:</b> Deucher, Alexander <Alexander.Deucher@amd.com>; Quan, Evan <Evan.Quan@amd.com><br>
<b>Subject:</b> [PATCH] drm/amd/pm: apply dummy reads workaround for CDR enabled only</font>
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<div class="PlainText">For CDR disabled case, the dummy reads workaround is not needed.<br>
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Change-Id: I474619b3d82792151870811c289ab311028de211<br>
Signed-off-by: Evan Quan <evan.quan@amd.com><br>
---<br>
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c | 8 +++++---<br>
1 file changed, 5 insertions(+), 3 deletions(-)<br>
<br>
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c<br>
index 338a9fdeef6e..5b87690c1e61 100644<br>
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c<br>
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c<br>
@@ -2303,10 +2303,12 @@ static int navi10_run_umc_cdr_workaround(struct smu_context *smu)<br>
if (umc_fw_greater_than_v136)<br>
return 0;<br>
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- if (umc_fw_disable_cdr && adev->asic_type == CHIP_NAVI10)<br>
- return navi10_umc_hybrid_cdr_workaround(smu);<br>
- else<br>
+ if (umc_fw_disable_cdr) {<br>
+ if (adev->asic_type == CHIP_NAVI10)<br>
+ return navi10_umc_hybrid_cdr_workaround(smu);<br>
+ } else {<br>
return navi10_set_dummy_pstates_table_location(smu);<br>
+ }<br>
} else {<br>
if (adev->asic_type == CHIP_NAVI10)<br>
return navi10_umc_hybrid_cdr_workaround(smu);<br>
-- <br>
2.28.0<br>
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